What does the root PON POS and posit mean?

Keeping this in consideration, what does the root PON POS posit?

These ROOT-WORDS are POS, PON & POUND which mean PLACE & SET.

Also, what words have a root that means write? The Latin root word scrib and its variant script both mean “write.” These roots are the word origin of a fair number of English vocabulary words, including scribe, describe, postscript, and manuscript. The root scrib is easily recalled through the word scribe, whose job is “writing,” and script, a “written” document.

Then, what's the meaning of the root POS?

-pos-, root. -pos- comes from Latin, where it has the meaning "put; place.

What is the Latin root for place?

The Latin root word loc means “place.” This Latin root is the word origin of a large number of English vocabulary words, including local and locomotive. The word root loc is easily recalled through the word location, for a “location” is simply a “place” where something or someone is.