• 台地だいち — plateau / elevated land
• 高台たかだい — elevated place / hill
• 屋台やたい — food stall / street stand
• 灯台とうだい — lighthouse
• 台所だいどころ — kitchen
• 台風たいふう — typhoon
• 台本だいほん — script / screenplay
• 舞台ぶたい — stage / performance space

‘台’ appears in words about physical stands and abstract foundations — from kitchens to typhoons, and from performance stages to measuring machines. Its meaning is simple but very versatile in Japanese life.

台所だいどころで料理りょうりをします。
I cook in the kitchen.

台風たいふうが近ちかづいています。
A typhoon is approaching.