An altar can mean many things, as shown below: 1 An altar can refer to a container or vessel for storing or displaying objects, such as a teapot for holding water or tea, a jar for holding gods or incense, etc. 2. Altars can also refer to organizations, clubs, forums, etc. A person or group proficient in a certain field or industry. For example, we often talk about technical forums and academic circles. 3. In religion, an altar refers to a sacred place or place where gods or ancestors are worshipped, such as pagodas in Buddhism or altars and platforms in Taoism. 4. In addition, in ancient books and literary works, altars often appear to represent an ancient ritual or scene of offering sacrifices or praying for blessings, such as Xiaoya Dadong in the Book of Songs: "There are trees on Mount Wei, and there are altars in real life." There is a tree in the mountain, and there is an altar under it.