实体

1. 在计算机安全学中，一种对存取受到控制的实体的特征的描述。
   In computer security, a description of the characteristics of an entity to which access is controlled.
2. 数据库中包含有某个实体信息的字段。
   In database, a field that contain information about an entity.
3. 一种正在执行中的程序，是一种活着的实体，能引起事件的发生；而程序是被动的，处于静止状态。
   A program in execution, a process is an active entity, which can cause things to occur, as opposed to a program, which is a passive entity.

体的英语翻译：