Someone who, or something that communicates.
Any of several electronic devices that allow people with various disabilities to communicate via displays or artificial speech.
A usually portable communications device.
Somebody or something that meets requirements without exceeding them.
The rating given to somebody or something that meets requirements without exceeding them.
Causing satisfaction; agreeable or pleasant; satisfying.
Done to satisfaction; adequate or sufficient.
Making atonement for a sin; expiatory.