What type of symbol aids in rate enhancement and faster communication?

Multi-meaning symbols that can be combined serve to enhance communication efficiency and speed, making them particularly beneficial for users of AAC devices. These symbols can convey a range of meanings and concepts, allowing users to express more complex ideas without the need for extensive vocabulary or lengthy phrases. For instance, by combining different multi-meaning symbols, a user can create more nuanced messages quickly, reducing the time spent on forming sentences.

This contrasts with single-meaning symbols, which are limited to representing only one idea at a time, potentially hindering fast communication. Icons alone may not provide the depth required for effective communication when expressing complex thoughts or emotions. Text-based symbols are often longer and may slow down the communication process, as they generally require more time to read and comprehend compared to visual multi-meaning symbols. Therefore, the ability to combine multi-meaning symbols significantly enhances both the rate and efficiency of communication for AAC users.