The location and severity of knee pain may vary, depending on the cause of the problem. Signs and symptoms that sometimes accompany knee pain include: 1  Swelling and stiffness.  Redness and warmth to the touch.
In traditional grammar, a simple subject is the particular noun or pronoun that tells who or what a sentence or clause is about. In traditional grammar, a simple subject is the particular noun or pronoun that tells who or what a sentence or clause is about. A simple subject may be a single word (e.g., Christmas is coming), a multi-word proper noun (Santa Claus is coming), or the key noun or pronoun in a complete subject (The zombies in the basement are coming upstairs).
Definition of subject for Students. 1  1 : the person or thing discussed : topic She's the subject of rumors. 2  2 : an area of knowledge that is studied in school Geography is my favorite subject. 3  3 : a person who owes loyalty to a monarch or state.  4 : a person under the authority or control of another.