Simple/Basic:
* The cave paintings were a primitive form of art, but incredibly powerful.
* The technology they used was primitive compared to what we have today.
Unsophisticated/Rough:
* The village was incredibly primitive, with no electricity or running water.
* His methods were primitive, but they got the job done.
Early Stage of Development:
* The primitive form of the internet was a network of computers used by the military.
* Some believe that humans evolved from primitive primates.
Referring to a Primitive Type:
* The primitive data type "integer" is used to store whole numbers.
* The primitive instincts of survival can be very strong.
Remember that "primitive" can have a negative connotation, implying something is undeveloped or lacking sophistication. Choose the meaning that best fits your context.