If the word rudiment is defined as a fundamental principle or skill, and the suffix -ary is defined as "of or relating to,” what does the term rudimentary education mean?

the education necessary for getting a job
a manual education
an education gained through hard work
a basic education
Which sentence uses the underlined word correctly?

The silk curtains were a nice compliment to the tall windows.
She appreciated his effort and paid him a nice complement.
The necklace was a perfect complement to her outfit.
The design of the building complimented its intended purpose.