Know Your Lingo
===============

Many teams may be unfamiliar with the various terms and slang that are often thrown around at competitions and meets. Here we have compiled a guide of some commonly used terms to get you up to speed.

Competitions
------------

Program Delivery Partner (PDP)
   Director or directors for events and activities in a region. Used to be referred to as the Affiliate Partner (AP).
Qualifier
   Tournament with 5-6 qualifying matches and alliance elimination matches. Judging included. Will advance to States/Regional level.
League Meet
   Low-stress competition with matches counting towards league rank at a League Tournament. No judging.
League Tournament
   Tournament with ranked matches and alliance elimination matches for teams participating in that League. Judging included. Will advance to States/Regional level. Sometimes called a "League Championship".
Inter-League Tournament
   League Tournament with multiple (usually 2) leagues combined into the tounament
Alliance
   Group of two or, in eliminations, two or three teams that compete. In elimination matches each team must play at least once.
Ranking Points (RP)
   Primary basis in rankings at events. For the Into the Deep season, each team receives 2 RP for winning a qualification match, 1 for tying, and 0 for losing.  Your overall RP is the average of your RP from each match.
TieBreaker Points (TBP)
   Secondary determinant in team rankings for traditional events. For the Into the Deep season, there are three levels of TBP; TBP1 is used before TBP2, and so on. TBP1 is
   the average autonomous period score of your alliance. TBP2 is
   the average ascent period score of your alliance.  TBP3 is your highest score in any match.
Qualification Match
   Qualifying matches (generally 5) with random alliance partners and
   opponents will be played to determine team rankings.
Elimination Match
   Alliances of 2 or 3 teams each compete in matches to determine
   the winning alliance. Also known as elim matches, or just elims.

Robot Components
----------------

DC Motor
   Open-loop :term:`RS-555 series <RS-550 Series Motor>` 12 volt motors used
   to power mechanisms.
Servo
   Closed-loop :term:`servo-motors <Servo>` used for precise movement.
   Controlled by PWM signals.
Drivetrain (DT)
   Mechanism responsible for the movement of the robot.
Intake
   Mechanism responsible for picking up game elements from the field by using
   rotational motion.
Claw
   Mechanism responsible for picking up game elements by grasping.
Linear Extension/Slide
   Mechanism responsible for extending parts beyond the starting configuration
   of the robot in a linear fashion.
Arm
   Mechanism responsible for extending the reach of the robot through rotational motion or multi-axis movement.
REV Expansion Hub
   Hardware controller for the robot, connected to :term:`Robot Controller`
   phone.
   Controls 4 motor and encoders, 6 servos, and various sensors via digital,
   analog, and I2C ports.
   Maximum of 2 hubs.
REV Control Hub
   Integrated Expansion Hub + :term:`Robot Controller` Android device.
   It serves many of the same purposes as the Expansion Hub but
   eliminates the need for a :term:`Robot Controller` phone.
   1 Expansion Hub may be used along side 1 Control Hub.
Driver Station (DS)
   REV Driver Hub or Android phone connected to the robot via Wi-Fi, and with gamepad(s) plugged into it.
   Drivers interact with the DS screen to start/stop the robot, and use the gamepads to control the robot.
Robot Controller (RC)
   REV Control Hub or Android phone connected to the Expansion Hub.
   Connects to DS phone via Wi-Fi.
Gamepad/Controller
   An Xbox or PS4 style controller which the driver uses to control the robot
   during driver-control period. Maximum of 2.