This is the 484th most frequent Armenian word.
առցանց
Online.
Here, "առցանց" (aracan) meaning "online" is used as an adverb to describe the type of college (online-based).
Ես սովորում եմ առցանց քոլեջում։
I study at an online college.
In this sentence, "առցանց" describes the type of the conference, emphasizing its virtual nature.
Նրանք մասնակցեցին մի առցանց համաժողովի։
They participated in an online conference.
Here, "առցանց" describes the store, indicating that it operates on the internet.