ssborbis
commented
3 months ago Those are placeholders for hotkeys and keywords. You click them and type. If you hover over them, you should see the label. Maybe not the best layout for them, but it's a holdover from earlier versions. A header might be a useful addition though.
See picture:
The buttons of each search engine (I suppose they are for reordering, deleting, etc...) come out without any text or image.