still image; static image
Refers to a single, non-moving picture, as opposed to video or animation. Common in digital media and photography contexts.
This camera can capture both still images and video.
I inserted a still image into the presentation.
静止画 is a still image, the opposite of 動画, which is a moving video.
still picture broadcasting
Compound of 静止 (seishi, 'stillness') and 画 (ga, 'picture').