---
title: simplex — school dictionary · trees and pragmatics
description: «simplex» in the school dictionary: Simple, made of one part; not compound. Every meaning for a pupil with its dependency tree and pragmatics.
---

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# simplex

<!-- .vintro -->
**Who acts:** you, simplex link, duplex, simplex, virus, triangle · **What happens:** make, not compound, send, go, be, cause · **To what, where:** messages, one direction, ways, simplest shape, number, cold sores

<!-- .vabout -->
«simplex» in the school dictionary: its 4 meanings for a pupil and its 6 examples, every sentence parsed by Mova itself — its syntax tree, a dependency tree in the style of Universal Dependencies, and its pragmatics clause by clause. The word in the dictionary, with its sense in the lessons: [simplex in the school dictionary](https://md.mova.elamur.ai/free/en/dictionaries/school/w/simplex.md).

## Meaning 1 {#m1}

<!-- .note -->
Usage: technical — kept apart, not parsed.

<!-- .ven lang=en -->
Simple, made of one part; not compound.

```conllu
# sent_id = dict:school:simplex:m1:1
# text = Simple, made of one part; not compound.
1	Simple	simple	ADJ	JJ	Degree=Pos	9	amod	_	SpaceAfter=No
2	,	,	PUNCT	,	_	3	punct	_	_
3	made	make	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	1	conj	_	_
4	of	of	ADP	IN	_	6	case	_	_
5	one	one	NUM	CD	NumForm=Word|NumType=Card	6	nummod	_	_
6	part	part	NOUN	NN	Number=Sing	3	obl	_	SpaceAfter=No
7	;	;	PUNCT	:	_	9	punct	_	_
8	not	not	PART	RB	Polarity=Neg	9	advmod	_	_
9	compound	compound	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	SpaceAfter=No
10	.	.	PUNCT	.	_	9	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | participle | you *not said here* |  |  |  |  | of one part | vn build-26.1-1 «NP.asset V NP»: agent=Asset |
| 2 | **not** **compound** | imperative | you *not said here* |  |  |  |  |  | vn mix-22.1-1-1 «NP V»: agent=Patient |

<!-- .note -->
One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.

## Meaning 2 {#m2}

<!-- .note -->
Usage: communication — kept apart, not parsed.

<!-- .ven lang=en -->
A simplex link sends messages in only one direction, like a radio broadcast (unlike duplex, which goes both ways).

<!-- fold The tree, 19 words -->
```conllu
# sent_id = dict:school:simplex:m2:1
# text = A simplex link sends messages in only one direction, like a radio broadcast (unlike duplex, which goes both ways).
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	simplex	simplex	ADJ	JJ	Degree=Pos	3	amod	_	_
3	link	link	NOUN	NN	Number=Sing	4	nsubj	_	_
4	sends	send	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	messages	message	NOUN	NNS	Number=Plur	4	obj	_	_
6	in	in	ADP	IN	_	9	case	_	_
7	only	only	ADV	RB	_	8	advmod	_	_
8	one	one	NUM	CD	NumForm=Word|NumType=Card	9	nummod	_	_
9	direction	direction	NOUN	NN	Number=Sing	4	obl	_	SpaceAfter=No
10	,	,	PUNCT	,	_	14	punct	_	_
11	like	like	ADP	IN	_	14	case	_	_
12	a	a	DET	DT	Definite=Ind|PronType=Art	14	det	_	_
13	radio	radio	NOUN	NN	Number=Sing	14	compound	_	_
14	broadcast	broadcast	NOUN	NN	Number=Sing	4	obl	_	_
15	(	(	PUNCT	-LRB-	_	17	punct	_	SpaceAfter=No
16	unlike	unlike	ADP	IN	_	17	case	_	_
17	duplex	duplex	NOUN	NN	Number=Sing	14	appos	_	SpaceAfter=No
18	,	,	PUNCT	,	_	20	punct	_	_
19	which	which	PRON	WDT	PronType=Rel	20	nsubj	_	_
20	goes	go	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	17	acl:relcl	_	_
21	both	both	DET	DT	PronType=Tot	22	det	_	_
22	ways	way	NOUN	NNS	Number=Plur	20	obl:unmarked	_	SpaceAfter=No
23	)	)	PUNCT	-RRB-	_	17	punct	_	SpaceAfter=No
24	.	.	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **send** | present | a simplex link | messages |  | one direction |  | like a radio broadcast | vn confine-92-1 «NP V NP PP.destination»: agent=Agent message=Theme in direction=Destination |
| 2 | **go** | present | duplex | both ways |  |  |  |  | vn disappearance-48.2-1 «NP V»: agent=Theme |

## Meaning 3 {#m3}

<!-- .note -->
Usage: maths — kept apart, not parsed.

<!-- .ven lang=en -->
A simplex is the simplest shape in any number of dimensions: a point, a line segment, a triangle, a tetrahedron.

<!-- fold The tree, 20 words -->
```conllu
# sent_id = dict:school:simplex:m3:1
# text = A simplex is the simplest shape in any number of dimensions: a point, a line segment, a triangle, a tetrahedron.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	simplex	simplex	NOUN	NN	Number=Sing	6	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	cop	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
5	simplest	simple	ADJ	JJS	Degree=Sup	6	amod	_	_
6	shape	shape	NOUN	NN	Number=Sing	0	root	_	_
7	in	in	ADP	IN	_	9	case	_	_
8	any	any	DET	DT	PronType=Ind	9	det	_	_
9	number	number	NOUN	NN	Number=Sing	6	nmod	_	_
10	of	of	ADP	IN	_	11	case	_	_
11	dimensions	dimension	NOUN	NNS	Number=Plur	9	nmod	_	SpaceAfter=No
12	:	:	PUNCT	:	_	14	punct	_	_
13	a	a	DET	DT	Definite=Ind|PronType=Art	14	det	_	_
14	point	point	NOUN	NN	Number=Sing	6	conj	_	SpaceAfter=No
15	,	,	PUNCT	,	_	18	punct	_	_
16	a	a	DET	DT	Definite=Ind|PronType=Art	18	det	_	_
17	line	line	NOUN	NN	Number=Sing	18	compound	_	_
18	segment	segment	NOUN	NN	Number=Sing	14	appos	_	SpaceAfter=No
19	,	,	PUNCT	,	_	21	punct	_	_
20	a	a	DET	DT	Definite=Ind|PronType=Art	21	det	_	_
21	triangle	triangle	NOUN	NN	Number=Sing	14	appos	_	SpaceAfter=No
22	,	,	PUNCT	,	_	24	punct	_	_
23	a	a	DET	DT	Definite=Ind|PronType=Art	24	det	_	_
24	tetrahedron	tetrahedron	NOUN	NN	Number=Sing	21	conj	_	SpaceAfter=No
25	.	.	PUNCT	.	_	6	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | a simplex | the simplest shape and a point |  | any number of dimensions |  |  | tree rules |

## Meaning 4 {#m4}

<!-- .note -->
Usage: medicine — kept apart, not parsed.

<!-- .ven lang=en -->
In "herpes simplex", the name of the virus that causes cold sores.

<!-- fold The tree, 12 words -->
```conllu
# sent_id = dict:school:simplex:m4:1
# text = In "herpes simplex", the name of the virus that causes cold sores.
1	In	in	ADP	IN	_	4	case	_	_
2	"	"	PUNCT	``	_	4	punct	_	SpaceAfter=No
3	herpes	herpes	NOUN	NN	Number=Sing	4	compound	_	_
4	simplex	simplex	NOUN	NN	Number=Sing	0	root	_	SpaceAfter=No
5	"	"	PUNCT	''	_	4	punct	_	SpaceAfter=No
6	,	,	PUNCT	,	_	8	punct	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	name	name	NOUN	NN	Number=Sing	4	conj	_	_
9	of	of	ADP	IN	_	11	case	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	virus	virus	NOUN	NN	Number=Sing	8	nmod	_	_
12	that	that	PRON	WDT	PronType=Rel	13	nsubj	_	_
13	causes	cause	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	11	acl:relcl	_	_
14	cold	cold	ADJ	JJ	Degree=Pos	15	amod	_	_
15	sores	sore	NOUN	NNS	Number=Plur	13	obj	_	SpaceAfter=No
16	.	.	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **cause** | present | the virus | cold sores |  |  |  |  | vn engender-27.1-1 «NP V NP»: agent=Precondition sore=Patient |
| 2 | **name** |  |  | the virus |  |  |  |  | nom name «communication transitive»: of=patient |

## Example 1 {#x1}

<!-- .ven lang=en -->
A triangle is a simplex in two dimensions.

```conllu
# sent_id = dict:school:simplex:x1:1
# text = A triangle is a simplex in two dimensions.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	triangle	triangle	NOUN	NN	Number=Sing	5	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
5	simplex	simplex	NOUN	NN	Number=Sing	0	root	_	_
6	in	in	ADP	IN	_	8	case	_	_
7	two	two	NUM	CD	NumForm=Word|NumType=Card	8	nummod	_	_
8	dimensions	dimension	NOUN	NNS	Number=Plur	5	nmod	_	SpaceAfter=No
9	.	.	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | a triangle | a simplex |  | two dimensions |  |  | tree rules |

## Example 2 {#x2}

<!-- .ven lang=en -->
A TV broadcast is simplex: it only goes one way.

```conllu
# sent_id = dict:school:simplex:x2:1
# text = A TV broadcast is simplex: it only goes one way.
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	TV	TV	NOUN	NN	Number=Sing	3	compound	_	_
3	broadcast	broadcast	NOUN	NN	Number=Sing	5	nsubj	_	_
4	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
5	simplex	simplex	ADJ	JJ	Degree=Pos	0	root	_	SpaceAfter=No
6	:	:	PUNCT	:	_	9	punct	_	_
7	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	9	nsubj	_	_
8	only	only	ADV	RB	_	9	advmod	_	_
9	goes	go	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	conj	_	_
10	one	one	NUM	CD	NumForm=Word|NumType=Card	11	nummod	_	_
11	way	way	NOUN	NN	Number=Sing	9	obl:unmarked	_	SpaceAfter=No
12	.	.	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | a TV broadcast |  |  |  |  | simplex *property* | tree rules |
| 2 | **go** | present | broadcast | one way |  |  |  |  | vn disappearance-48.2-1 «NP V»: agent=Theme |

## Example 3 {#x3}

<!-- .ven lang=en -->
Cold sores are caused by herpes simplex virus.

```conllu
# sent_id = dict:school:simplex:x3:1
# text = Cold sores are caused by herpes simplex virus.
1	Cold	cold	ADJ	JJ	Degree=Pos	2	amod	_	_
2	sores	sore	NOUN	NNS	Number=Plur	4	nsubj:pass	_	_
3	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	aux:pass	_	_
4	caused	cause	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	by	by	ADP	IN	_	8	case	_	_
6	herpes	herpes	NOUN	NN	Number=Sing	7	compound	_	_
7	simplex	simplex	NOUN	NN	Number=Sing	8	compound	_	_
8	virus	virus	NOUN	NN	Number=Sing	4	obl	_	SpaceAfter=No
9	.	.	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **cause** | present · passive | simplex virus | Cold sores |  |  |  |  | vn engender-27.1-1 «NP V NP»: agent=Precondition subject=Patient |

## Example 4 {#x4}

<!-- .ven lang=en -->
A tetrahedron is a three-dimensional simplex.

```conllu
# sent_id = dict:school:simplex:x4:1
# text = A tetrahedron is a three-dimensional simplex.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	tetrahedron	tetrahedron	NOUN	NN	Number=Sing	8	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	cop	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
5	three	three	NUM	CD	NumForm=Word|NumType=Card	7	nummod	_	SpaceAfter=No
6	-	-	PUNCT	HYPH	_	5	punct	_	SpaceAfter=No
7	dimensional	dimensional	ADJ	JJ	Degree=Pos	8	amod	_	_
8	simplex	simplex	NOUN	NN	Number=Sing	0	root	_	SpaceAfter=No
9	.	.	PUNCT	.	_	8	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | a tetrahedron | a dimensional simplex |  |  |  |  | tree rules |

## Example 5 {#x5}

<!-- .ven lang=en -->
Walkie-talkies are half-duplex, not simplex.

```conllu
# sent_id = dict:school:simplex:x5:1
# text = Walkie-talkies are half-duplex, not simplex.
1	Walkie	walkie	NOUN	NN	Number=Sing	3	compound	_	SpaceAfter=No
2	-	-	PUNCT	HYPH	_	1	punct	_	SpaceAfter=No
3	talkies	talkie	NOUN	NNS	Number=Plur	7	nsubj	_	_
4	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	7	cop	_	_
5	half	half	NOUN	NN	Number=Sing|NumForm=Word|NumType=Frac	7	compound	_	SpaceAfter=No
6	-	-	PUNCT	HYPH	_	5	punct	_	SpaceAfter=No
7	duplex	duplex	NOUN	NN	Number=Sing	0	root	_	SpaceAfter=No
8	,	,	PUNCT	,	_	10	punct	_	_
9	not	not	PART	RB	Polarity=Neg	10	advmod	_	_
10	simplex	simplex	NOUN	NN	Number=Sing	7	conj	_	SpaceAfter=No
11	.	.	PUNCT	.	_	7	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | Walkie talkies | half duplex and simplex |  |  |  |  | tree rules |

## Example 6 {#x6}

<!-- .ven lang=en -->
The simplex method helps factories plan their work.

```conllu
# sent_id = dict:school:simplex:x6:1
# text = The simplex method helps factories plan their work.
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
2	simplex	simplex	ADJ	JJ	Degree=Pos	3	amod	_	_
3	method	method	NOUN	NN	Number=Sing	4	nsubj	_	_
4	helps	help	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	factories	factory	NOUN	NNS	Number=Plur	6	nsubj	_	_
6	plan	plan	VERB	VB	VerbForm=Inf	4	xcomp	_	_
7	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	8	nmod:poss	_	_
8	work	work	NOUN	NN	Number=Sing	6	obj	_	SpaceAfter=No
9	.	.	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **help** | present | the simplex method |  |  |  |  |  | vn help-72.1-1-1 «NP V NP S\_INF»: agent=Agent clause=Theme |
| 2 | **plan** | infinitive | factories | factories's work |  |  |  |  | vn intend-61.2-1-1 «NP V NP»: agent=Agent work=Topic |
| 3 | **work** |  | factories *= factory* |  |  |  |  |  | nom work «act intransitive»: poss=agent |

<!-- div src -->

**Text:** the school dictionary of Mova's schools (`world/data/dictionary-schools/`), written for Mova. **Trees:** Mova's own parse — the `en` model on the CPU, when the site is built — not checked by a teacher; they may be wrong. **Frames:** Mova's frames reader (`prag`), each meaning and example read on its own. Elamur Cosmic License.

<!-- /div -->

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