Interface CourseTableItem

department name, short form, all capitalized. e.g CS

a full description of the course

the key of the course. must be globally unique for all courses, e.g. cs11105 composed of three parts:

1. lowercase department letter, e.g. cs
2. course number, e.g. 1110
3. course type index, e.g. 5., corresponding to TYPES

Course number, e.g. 2150

one line title for the course, e.g. "Principle of Microeconomics"

One of the keys of TYPES_PARSE

Units (credits), usually a number, but could be a range represented as a string like value