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