필수적

To organize or build something again, often in a new or improved way, based on new information or a different perspective.

A way of dealing with something or a methodology used to address a problem. It is common in research to describe the specific angle or method used.

The main subject that is being discussed or described in a piece of writing, a movie, or a conversation.

A research method used for collecting data from a predefined group of respondents to gain information and insights into various topics of interest.

The quality of being worthy of attention; importance, significance, or the true meaning of an action or event.

To acknowledge, admit, or recognize the truth or existence of something, or to recognize someone's merit or authority.

To form, build up, or create something through a process, often referring to relationships, habits, or structures.

To prevent or stop something bad or undesirable from happening in advance.

To be correct, exact, and free from error; precise.

To be isolated or cut off from others, either physically or socially.