+-----------+          +-----------+
    |           |  Input   |  Client   |
    |  Parser   |<---------|   Code    |
    |           |  String  |           |
    +-----.-----+          +-----|-----+
  Modes   |                     /|\
    +     |             Renderer |
  Input   |          Instructions|
  String \|/                     |
    +-----'-----+          +-----------+
    |           |          |           |
    |  Lexer    |--------->|  Handler  |
    |           |  Tokens  |           |
    +-----.-----+          +-----------+
          |
          |
     +----+---+
     | Modes  |-+
     +--------+ |-+
       +--------+ |
         +--------+