課題

Something that appears or occurs frequently, especially in tests, literature, or data sets.

To propose or advocate for a new theory, principle, doctrine, or idea. It is typically used when an expert or leader introduces a significant concept to the public or academic community.

Occurring often, many times, or at short intervals. It describes the high frequency of an event or action.

A part or aspect of something abstract, especially one that is essential or characteristic. Used to break down complex topics into smaller parts.

A load, burden, or responsibility that someone has to bear. It can be physical, financial, or mental.

Occurring very quickly and with a great deal of force or intensity. Essential for describing sharp rises or falls in data.

Gentle, gradual, or slow. Often used in academic contexts to describe steady, non-aggressive changes in data.

The base or foundation on which something is established or depends. Used for physical infrastructure or abstract societal systems.

The act of something coming into existence or happening, often used for natural phenomena, problems, or events.

The act of advancing or improving to a higher level, state, or quality. It is often used for skills, standards, or efficiency.