His laid-back attitude made everyone feel at ease.
casual conversation
Frequency:
70
%
They engaged in casual conversation during the meeting.
friendly gesture
Frequency:
60
%
She greeted him with a friendly gesture.
Idiomatic Expressions for informal
Phrase: informal sector
Meaning: part of the economy that is not monitored or regulated by the government
Usage: Many people work in the informal sector, such as street vendors.