Site Member Area vs. Corvid Member Database

Is the site member area the same as creating a member database in corvid? I recently set up a member’s area but also need dynamic pages. Not too sure if I should delete the site member area and start over through corvid with member database and dynamic pages. What comes first, members or creating dynamic pages? I am starting to set up a teacher member intranet. Thank you!

Can anyone help with this one…?