かつどう活動katsudou
1.

The process of taking action or displaying movement that reflects the inherent function or purpose of a person or entity, often associated with engaging proactively in activities.

2.

The engagement in purposeful actions or initiatives that aim to achieve specific goals or missions, often reflecting efforts in social, political, or environmental contexts.

3.

A term historically used to refer to films or motion pictures, particularly in a context prior to the advent of sound in cinema.

Example:

テレビを見ることは受動的活動である。

ぶかつどう部活動bukatsudou
1.

Organized group activities in schools that focus on specific interests, such as sports, arts, or academic subjects, allowing students to develop skills and foster social connections outside of the standard curriculum.

2.

Voluntary participation in collective pursuits that enhance personal growth, teamwork, and community involvement, typically occurring after regular class hours in educational settings.

3.

A structured setting where students engage in shared passions or hobbies, promoting collaboration, leadership, and a sense of belonging among peers.

かざんかつどう火山活動kazankatsudou
1.

The various geological events and processes that occur when magma rises from below the Earth's surface, often resulting in eruptions, the release of gases, and the formation of volcanic structures.

2.

The dynamic phenomena associated with volcanoes, including eruptions, the flow and accumulation of volcanic materials, and seismic activities that are related to the movement of magma.

3.

The natural occurrences that happen in and around a volcano caused by the movement and release of magma, which can lead to explosive eruptions and the creation of new landforms.

Example:

火山活動で地面が盛り上がった。

かつどうか活動家katsudouka
1.

A person who actively engages in promoting or advocating for social, political, or environmental causes, often driven by a strong personal belief or mission.

2.

An individual committed to taking action to bring about change, typically within a specific movement or area of concern, demonstrating a proactive approach to issues affecting society.

3.

Someone recognized for their enthusiastic involvement in campaigns or initiatives aimed at protecting rights or addressing injustices.

きゅうごかつどう救護活動kyuugokatsudou
1.

Activities aimed at providing assistance and support to individuals in need, particularly during emergencies or disasters.

2.

Organized efforts focused on delivering medical care, shelter, or other essential services to affected populations.

3.

Actions taken to ensure the safety and well-being of those impacted by crises, often involving collaboration among various organizations and volunteers.

4.

The practice of mobilizing resources and personnel to address urgent humanitarian issues and alleviate suffering in communities.