This meaning refers to a strong or intimate relationship between people or things, often denoting warmth and familiarity.

Used to describe a level of acquaintance that involves knowing someone well or having a deep understanding of something.

This meaning expresses a deep level of personal closeness, often associated with emotional connections or privacy.

Used to indicate a strong connection or relation between two or more entities, often implying that they share significant similarities or influences.

This meaning refers to the act of encouraging or developing strong relationships, often in a social or professional context.

This usage emphasizes being very observant or careful about details, often in a context where important information is being presented.