[1] : WordNet (r) 2.0

topic sentence
     n : a sentence that states the topic of its paragraph

Topic Sentence >> T Words
Topic Sentence, definition of term: Topic Sentence
topic+sentence_pag1.html

Sentence >> S Words
Sentence, definition of term: Sentence
sentence_pag1.html

Topic >> T Words
Topic, definition of term: Topic
topic_pag1.html

Sentence Struct >> S Words
Sentence Struct, definition of term: Sentence Struct
sentence+struct_pag1.html

Run-On Sentence >> R Words
Run-On Sentence, definition of term: Run-On Sentence
run-on+sentence_pag1.html