Use 'overarching' to describe something that affects or includes a wide range of ideas or elements. The overarching concept of social justice encompasses many complex issues.
Pro Tip 2/3
Umbrella Term
'Overarching' can be like an umbrella, grouping several related things underneath it. Under the overarching theme of environmental protection, we discussed recycling, conservation, and pollution.
Pro Tip 3/3
Not Specific
When something is 'overarching', it's usually not focused on details but rather the big picture. Her speech touched on the overarching benefits of a healthy lifestyle.