A category of seating on passenger aircraft that offers basic amenities at a lower price compared to higher classes, designed for budget-conscious travelers.
The standard level of accommodation provided on flights, characterized by its affordability and limited space, catering to the general public rather than premium customers.
A travel class that prioritizes cost-effectiveness over luxury, often featuring more cramped seating and fewer services than first or business class.
A group of students who are organized together in an educational setting for the purpose of instruction, often defined by shared characteristics such as age or academic performance.
A level or rank within a hierarchical structure, indicating a degree of quality or status, such as top-tier or economy-level categorizations.
A category or type, particularly in terms of classification or grouping based on shared attributes or characteristics.
In object-oriented programming, a blueprint that defines the structure and behavior of objects, characterized by specific attributes and methods.
A collection of multiple atoms or molecules that come together to form a distinct group, often characterized by specific behaviors and properties, such as in the case of microclusters which contain between ten to one hundred entities.
An area in urban planning where roads and various structures are interconnected and organized into a cohesive unit, facilitating community development and infrastructure.
A unit of storage space in computer disk systems, where the physical memory capacity of a cluster can vary based on the configuration settings of the operating system.
A hardened surface layer of snow that forms when melted snow refreezes, often created by daytime thawing and nighttime freezing.
The outer layer or shell of baked goods such as bread or pie, characterized by its firm texture.
A snow layer that becomes compacted and solid due to atmospheric pressure, commonly known as wind crust, formed by the force of wind acting on the snow.
学校や教育機関で同じクラスに在籍している、生徒や学生の仲間を指す言葉。
教室で一緒に授業を受けることが多く、共に学び合う経験を共有する者を表す言葉。
学年や科目に関わらず、同じクラスで過ごすことによって互いに親しみ や友情を築く相手を指す。