[NTG-context] User macros and settings: environment or style module?

Hi all, Like any of the context users who write documents, I use some personal macros, definitions, setups... In most of the context manuals, it is recommended to declare all of these personal settings in an environment file. This file is then included by: \environment myStyle However, in certain case, these settings goes in a style module file, like what is done for MyWay articles where one includes the style file with: \usemodule[myStyle] So my question is: Is there any technical reason to choose between those two possibilities or is it only a matter of personal preference? All the best. -- Romain Diss