What is the meaning of さん?

title used after a person's name (family, given or full) or job title, or a company name, to show respect; Mr, Ms, Mrs, Miss

used after a shop name

attaching to nouns or other nominals: a politeness marker that often has no direct translation, replacing copula です (desu)

: mountain

Terminal-form ending for inflected adjectives.

Source: wiktionary.org