😂 - This is the most popular one used everywhere. It portrays face with tears of joy. This emoji is widely used to show something is funny or pleasing.

😍- You must be willing to use it when you want to express something you are obsessed with.

😌- Relieved face.This emoji conveys various pleasant feelings, including contentment, calm, peace, and relief. This emoji should be used when something potentially bad or negative was smoothed over.

😵 - Dizzy face. This emoji conveys a heightened or hyperbolic sense of such feelings such as shock, surprise, disbelief, awe, and amazement as if staggered to the point of disorientation.

🥺- Well this is something you can use when you have to plead your loved ones politely and humbly.

🤞- We all make the finger crossed signs in real life to wish luck or something good to happen. This same can convey in emoji as well.

😡- Pouting/Angry Face.This emoji conveys more intense degrees of anger such as hate or rage. Hopefully, you do not ever need to use this emoji toward a client, business partner or employee.