1. after capital letters; less important idea main topic 2. after Roman numerals; most important idea unabridged 3. complete phrase 4. group of words compound word 5. study of words outline 6. two words forming one word subtopic 7. short form of writing using only the most important words philology

1. Subtopic.

2. Main topic.

3. Complete.

4. Phrase.

5. Philology.

6. Compound word.

7. Outline.

Explanation:

1. Subtopic: after capital letters; less important idea. It forms part of a main topic and as such contains lesser informations or ideas.

2. Main topic: after Roman numerals; most important idea. It's usually the central and most important idea, which a literary work is based on.

3. Complete: unabridged. A statement or sentence that contains and conveys all the necessary information to the listeners or audience, without leaving out any details to be imagined.

4. Phrase: group of words. These group of words function as a single unit of a clause or sentence. For example, I waited for him.

5. Philology: study of words. It's a subcomponent of linguistics.

6. Compound word: two words forming one word. Some examples are living room, dinner table, full moon, real estate, swimming pool, etc.

7. Outline: short form of writing using only the most important words. It's typically used for summarizing the main topic or ideas of a literary work.

it is true my friend

an old person

explanation: