Final answer:
The linguistic area concerned with the meaning of the sentence "I like to play floor" is Semantics, which indicates that the sentence has a problem in conveying a clear meaning.
Step-by-step explanation:
The linguistic area that best describes the problem with the sentence, "I like to play floor", is c) Semantics. Semantics deals with the meaning of words and sentences, whereas syntax refers to the arrangement of words and phrases to create well-formed sentences in a language. The phrase 'to play floor' lacks semantic clarity because 'floor' is not typically an activity one can perform, which might lead to confusion about the sentence's meaning.