This pattern will help you decide the way to implement Picklist. It can be designed in many ways and the implementation depends on the characteristics and the level of maintainability you are looking for.
This pattern will help you write Process Builder that can be activated or deactivated based on Profile or Permission Set assigned to user.
Before starting any implementation, one should establish a good homogeneous naming pattern for every component. It helps identify components quickly without struggling with some hazardous naming. All should be written in English and translation workbench should be used to give the correct output to the end user.
This pattern will help you write workflow rules that can be activated or deactivated based on Profile or Permission Set assigned to user.
This pattern will help you write dynamic validation rules to handle multi-country behavior. It also helps to activate or deactivate the rule based on Profile or Permission Set assigned to user.
Salesforce Secure Development Library 