Download speed signifies how many megabits of data per second it takes to download data from a server to your device. These files may be images, videos, text, files and audio. Activities such as listening to music, downloading large files or streaming videos require you to download data.
Upload speed is how many megabits of data per second your device can send information to another or server on the internet. Sending email, playing live tournament-style and a friend require fast upload speeds for you to send data to someone else’s server.