Difference between Post and Page.

PostPage
Used for time-based, frequently updated content (blog entries, news)Used for static, timeless content (About, Contact, Home)
Organised using Categories and Tags No categories/tags; organized hierarchically (can have parent/child pages)
Displayed in reverse chronological order on the blog pageStandalone, not part of a chronological flow
Included in RSS feedNot included in RSS feed
Supports comments by defaultComments usually disabled