

人を指で指すのは失礼ですよ。
時計の針は今、三時を指しています。
地図でホテルの場所を指してもらえますか。
"さす(指す)" is in the lesson "Verbs 3" (Level 5), along with 15 other useful words. LinDuo has 180 topic lessons like this one, 2,379 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.