The phrase "great essentials" refers to the most important things or elements that are necessary for success or survival in a particular situation or context. Full definition
These are all such great essentials for a pool day! (mywhitet.com)
In fact, that person telling you how great essential oils are might very well be an Independent Product Consultant who is trying to sell you some of their products. (verywellfamily.com)
Their line is great for mixing and matching and serve as great essential pieces. (verybusymamablog.com)