ここで電気スタンドは売っていますか。

here (place physically close to the speaker, place pointed by the speaker while explaining); this place; these last (followed by a duration noun and a past sentence: time period before the present time of the speaker); these next ... (followed by a duration noun and a non past sentence: time period after the present time of the speaker); the next ...

indicates location of action; at; in; indicates time of action; indicates means of action; cause of effect; by; and then; so; indicates continuing action; indicates certainty, emphasis, etc.

electricity; (electric) light

stands; bleachers; stand (e.g. newspaper stand); counter (e.g. lunch counter); stand (e.g. inkstand); desk lamp; floor lamp; standard lamp; station (e.g. gas station)

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

to sell

indicates a question (sometimes rhetorical); or; whether or not; some- (e.g. something, someone); indicates doubt, uncertainty, etc.; emphatic prefix; suffix forming adjectives or adverbs; in that way