Related Clues:
- Ciara "___ Instinct"
- Reduced to the simplest form
- Standard or foundational
- To order cab is essential
- Laurel, Tom and Dick in conversation being crude
- Like "101" courses
- Programming language, something secure and managed
- Lowest degree, like that
- In-demand programming language, pre-Y2K
- Like a course labeled '101'
- Fundamental, thus to support rise of upper classes
- Foundational
- Like '101' courses
- Fundamental degree (intentionally so)
- Primary ABC is revised