Establish or indicate who or what someone or something is.

A group of (more or less) fixed words having a meaning not deducible from the individual words. Idioms are typically informal expressions used by particular social groups and need to be explained as one unit (for example, ‘I am over the moon’, ‘on thin ice’, ‘a fish out of water’, ‘fed up to the back teeth’).

Combine elements.

The rise and fall of one’s voice when speaking; sometimes used for emphasis.

Plan, collect and interpret data/information and draw conclusions about.