안녕하세요.
‘줄거리(story)’ refers to a set of consecutive events in a novel or play.
‘내용(content)’ is something that you want to convey in any medium of expression, such as speech, writing, painting, directing, or anything like that.
‘제목(subject)’ is a name given to represent or show content in a work, lecture, report, etc.
‘주제(topic)’ is a central problem in conversation and research.
‘연기자’ and ‘배우’ are similar words.
‘연기자’ means a person who acts.
‘연기’ is acting.
‘자’ means person.
Koean usually use the word ‘배우’ more than ‘연기자’.