title or brief explanation accompanying illustration or poster. Explanation written next to a picture in a book. To add an explanation next to a picture in a book.

person learning subject or skill. People gaining knowledge or skills through study.

Not of the same kind; unlike other things.

first or earliest. earliest form of something.

To change words from one language into another.

To think creatively about; form mental picture of.

the principal method of human communication, consisting of words used in a structured and conventional way and conveyed by speech, writing, or gesture.

Being what was wanted or needed. used to greet someone in polite or friendly way. Friendly greeting to someone who has arrived. To greet someone who has just arrived.

To give an answer without knowing if it is correct.

occasionally, rather than all of time.

set down in writing or some other permanent form for later reference. To indicate a temperature, speed, etc.; register.

To keep something from spreading.

changing text from one language to another; the process of changing something into a different form.

take place.

To prove or make clear by reasoning or evidence.