Idioms
An idiom is defined as - a group of words whose meaning is different from the meanings of the individual words.
Idiom:
inside track
Meaning:
an advantage, the shortest distance around a racetrack
Example:
I think that the man has the inside track on getting the new job at the computer company.
List of common idioms, their meanings and examples of their usage in sentences
The language peculiar to a people or to a district, community, or class