Pages are found on the Left Side Navigation Bar. Once a Channel > Section is selected, the name of the "Section" appears at the top of the Left Navigation bar & the "Pages" are listed below it (in bullet form, if this is how it was set up).

A Section is one of the sub-headings under a particular Channel. They appear as somewhat of a drop-down list when the user hovers over a Channel.

A Channel Bar is basically a Navigation Bar which is located below the banner of a website. The various Channels take you to different "sections" of the website (like Academics, Activities, Human Resources, and School District).