This is the 6428th most frequent Japanese word.
スクショ
Screenshot.
Here, "スクショ" is used as a noun referring to 'screenshot.' It is paired with the action verb '撮る' which means 'to take.'
スクショを撮っておくと便利です。
Taking a screenshot can be convenient.
In this sentence, "スクショ" is used as a verb in its past form 'スクショした,' referring to the action of having taken a screenshot.
スクショした画像を送ってください。
Please send the image you screenshot.
Here, "スクショ" is used as a noun to describe the image taken as a screenshot, indicating a specific example of screenshots one viewed.