Xcode intellisense meaning of letters in colored boxes like f,T,C,M,P,C,K,# etc

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Recently, I have started using Xcode 4 for developing iOS apps.

In Xcode intellisense's autocomplete box, there are some letters in colored boxes before every suggestion. I know that they represent the property of the word we are typing like f,T,C,M,P,C,K,# etc. enter image description here

Is there some kind of glossary available to find their quick meanings?

Meanings of f,C,T,# are understandable (function, class etc) but there are many others which I dont know. I assume these letters are standard across all IDEs like Visual Studio, Netbeans etc. Correct me if I am wrong.

Please suggest.

xcode4 xcode intellisense objective-c ios
2 Answers

I was searching for the meaning behind the "rM" icon. I finally found the answer (many thanks to kennytm):

The "rM" symbol represents a recursive method.

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