How to just record myself? Like to start recording?

[defaultackc2ibw1zlg]

In Adobe's never ending quest to make the simplest things frustrating and difficult, I have a simple question:

I am recording a track. I want to just record myself talking using the built in mic. After a long stint on the forums and internet trying to figure out why the R button was greyed out, I finally found the answer.... apparently the default for a recording app is that you do not actually record. SOOOOO, I turned on mic input. 
So now I can click the lovely R and get a nice green bar indicating the recording levels, fantastic. But how to I actually RECORD! Where is the start button?

[EuanWilliamson]

Is this the way you are doing it?

One minute video showing how to record a mic in Audition:

https://youtu.be/bEVRCirXAwQ

[SteveG_AudioMasters_]

I'd just like to point out that Audition is generally regarded as an editing app, not a recording one; there's a bit of a clue in the name, even...