Firstly, Sorry Nikita Singh for copying the content from your blog. Find vs Select. Difference between collect, select, map and each in ruby This post is not related to rails part but the RUBY part. Understand the difference between Rails pluck vs select and map or collect. Ruby on Rails latest stable (v5.2.3) - 5 notes - Class: ActionView ::Helpers:: ... Returns and tag is used to group related options in a