Whether that's creating new Alexa capabilities with the Alexa Skills Kit (ASK), building devices that use Alexa for new and novel voice experiences using the Alexa Voice Service (AVS), or something else entirely, if you have a visionary idea, we'd love to talk to you.
The definition of 'proximity' is 'the state of being near, next, or close'. 'Distance' or 'remoteness' are antonyms of 'proximity'. Using 'close', while redundant, is reinforcing the rarer word. Just because people do it often doesn't mean it makes sense; those people 'could care less'.
range. 1. the extent to which or the limits between which variation is possible: the range of steel prices. 2. the extent or scope of something: one's range of vision. 3. the distance to which a projectile may be sent by a weapon. 4. the distance of the target from the weapon.