This is the 3217th most frequent Japanese word.
壇
"壇" means platform, podium, altar, or stage.
In this sentence, '壇' refers to a raised platform or stage from which speeches or presentations are made. It highlights the physical structure designed for this purpose.
壇上には素晴らしいスピーチをする人々がいた。
On the stage, there were people giving wonderful speeches.
Here, '壇' forms the concept of a metaphorical platform or forum for the purpose of holding discussions or dialogues.
友人の母は家庭の進行について何度も壇を設けて話し合った。
My friend's mother held family meetings set up on specific platforms many times to discuss the home's progress.
In this instance, '仏壇' combines '壇' to specifically denote a Buddhist altar, emphasizing both the spiritual significance and physical presence of the altar.