Discord - Free voice and text chat for gamers. As you can see from the link Discord is an app that it's designed to provide voice and text chat for free. Initially Discord was built for gamers, and have some features that are intended to make it comfortable for gamers to use the app.
See return on investment. return on investment (ROI) A generic term to define a number of analytical tools for measuring the financial benefits of an investment, including cash-on-cash, internal rate of return, equity dividend,and financial management rate of return.
Roi Et is the province located in the middle part of northeast Thailand, and is administratively divided into 17 districts and 2 sub districts. The city is 512 km far from Bangkok. It is bordering with Kalasin and Mukdahan to the north, Surin and Sisaket to the south, Yasothon to the east, and Maha Sarakham to the west.