Where does this definition of visual aids come from?
This entry for visual aids is sourced from GetWord Corpus, one of the dictionaries and corpora merged into Lughet.
Does visual aids appear elsewhere on Lughet?
Yes — visual aids appears under other sources or language pairs in Lughet's collection. See the list below.
What is Lughet?
Lughet is a free trilingual dictionary covering nearly five million entries across Uyghur, Chinese, and English, drawn from more than ten source dictionaries and corpora.