Answer 1

Scripting usually means the writing some simple program to automate a repetitive task.
There are many scripting languages that tend to support sysadmin / operating system stuff, like bash, powershell, awk, sed... But javascript and python are also sometimes considered scripting languages, even though their capabilities are much higher.

C# is an object-oriented programming language, but some recent tools have made it possible to use it as scripting language, without having to compile it first.
Read this for more details.
https://itnext.io/hitchhikers-guide-to-the-c-scripting-13e45f753af9