4 configure preferences where applicable
4.1 ./fpdf/language/: make your local langauge file based on english.php, you could check schinese.php as example, or inline comments in english.php
4.2 ./textsanitizer/config.php: check inline comments
4.3 ./transfer/:
4.3.1 ./transfer/language/: make your local langauge file based on english.php
4.3.2 ./transfer/modules/: for developers only, add transfer handler for your module, or store the file as: XOOPS/modules/mymodule/include/plugin.transfer.php
4.3.3 ./transfer/plugin/: add items available for the transfer
4.3.4 ./transfer/plugin/myplugin/config: configurations for a plugin
4.3.5 ./transfer/plugin/myplugin/language/: make your local langauge file based on english.php
4.3.6 ./transfer/bar.transfer.php: set "$limit" for number of plugins that will be displayed on a front page;
4.4 ./compat/language/: make your local langauge files based on /english/
4.5 ./captcha/:
4.5.1 ./captcha/language/: make your local langauge file based on english.php
4.5.2 ./captcha/config.php: set configs

2 configure preferences where applicable
2.1 ./fpdf/language/: make your local langauge file based on english.php, you could check schinese.php as example, or inline comments in english.php
2.2 ./transfer/:
2.2.1 ./transfer/language/: make your local langauge file based on english.php
2.2.2 ./transfer/modules/: for developers only, add transfer handler for your module, or store the file as: XOOPS/modules/mymodule/include/plugin.transfer.php
2.2.3 ./transfer/plugin/: add items available for the transfer
2.2.4 ./transfer/plugin/myplugin/config: configurations for a plugin
2.2.5 ./transfer/plugin/myplugin/language/: make your local langauge file based on english.php
2.2.6 ./transfer/bar.transfer.php: set "$limit" for number of plugins that will be displayed on a front page;

This Frameworks folder is a bloody mess on my sites