Feedback (noun)

If you ask someone for feedback on a talk, you are asking for his or her honest reactions to what was said. You want to know what went well and what was not so successful.

To Brainstorm (verb)

To spend a short time gathering ideas or vocabulary related to one theme. When you brainstorm ideas, usually with other people, you think quickly and in a very focused way.

To Clarify (verb)

To clarify is to make things clear and understandable.You might ask for clarification in a conversation if you did not understand what the speaker said.

clarification: noun

Stress (noun)

The emphasis in a word, phrase or sentence.Word stress is important because there are many words which sound similar, except for their stress – for example, ‘a record’ (noun) and ‘to record’ (verb). Stress in sentences or phrases is important because changing the stress can alter the meaning.

For example:
I like the radio (not the TV).
I like the radio (but my brother doesn’t).

Intonation (noun)

We usually say that this is the ‘music’ of the language. It involves changes in pitch (does your voice start high or low?) and direction (does your voice go up or down?) as well as in stress.