Capacity
A battery's capacity determines roughly how long a battery will last at a specific voltage given a specific discharge rate. For example, if you choose a 12V, 2Ah (2000mAh) battery pack (regardless of chemistry), the battery should be able to run a 12V motor consuming 2A continuously for 1 hour. Alternatively, it can run a 12V motor consuming 1A for 2 hours, or a 12V motor consuming 0.5A for 4 hours. The rule of thumb is to divide the capacity (assuming you are running an actuator at the same voltage) by the actuator's current under normal load to get the time the motor will last.
The PING command is used to establish connectivity
Maintenance, Output requirements, Forking. This one is tricky because one would think "input", but everything that is inputted must be outputted, so they are combined. The simple model of development. It's pretty self explanatory. Communications between programmers who are working on related features. Version control is all about communication--- so this is the most logical option. Even though "The features that are currently being development.
Explanation:
This is probably something like a feedback form
but I feel unsure/comfortable