From The Mana World
Paths.xml
This file controls the main settings and layout of the rest of the Manaplus files.
The Mana Worlds: TMW Paths.xml
Manaplus Documentation: Paths.xml
Features.xml
This file allows you to pre-configure or turn certain settings on/off by default in the client.
The Mana Worlds: TMW Features.xml
Effects.xml
This file assigns ids to particle effects. These can then be used on sprites, monsters and players.
The Mana Worlds: TMW Effects.xml