When to seek medical advice. 1  You experience bleeding or severe pain after an injury. 2  Bone or tendons are exposed. 3  The knee is visibly out of place. 4  There's sudden swelling or redness.  You can't bend your knee or put weight on it.
subject definition, subject meaning | English dictionary. subject. a the predominant theme or topic, as of a book, discussion, etc. 4 a person or thing that undergoes experiment, analysis, treatment, etc. 5 a person who lives under the rule of a monarch, government, etc.
In literature, the subject is referred to as a topic which acts as a foundation for a literary work. Most of the time, this is confused with the definition of theme. The theme is the opinion expressed on the subject. So basically, both are entirely different. Hope this answers your question.