It is a fundamental unit within Amazon AWS & it is simple storage service/ It is a container where you store objects (files, data etc) & used to organize & manage data within S3
Amazon S3 offers a variety of storage classes like S3 standard, S3 standard infrequent access, S3 intelligent Tiering, S3 Glacier, S3 Glacier deep Archive, S3 outposts etc
S3 objects lock supports two primary modes for object retention Governance & compliance