| Subject | English | Japanese |
| comp., MS | active element | アクティブな要素 (The layout container element that is currently subject to special operations, such as adding child elements or defining columns and rows. The active element is identified by a yellow bounding box) |
| phys. | active element | 活性元素 (かっせい・げんそ) |
| gen. | n active element | 能動素子 (んおうどう・そし) |
| phys. | bipolar active element | バイポーラ能動素子 (baipōra-nōdō-soshi) |
| phys. | thick-film active element | 厚膜能動素子 (あつまく・んおうど・そし) |
| phys. | thin-film active element | 薄膜能動素子 (うすまく・んおうどう・そし) |