What is Piano Notes?

Each piano has white and dark keys, well we all knows that. The first key(just before two dark keys) is called note 'C', move to the following key. That is called D. The following one is E then F-G-A-B. I hope You got the idea right? You can go on like C D E F G A B C D E F.. so on (see Figure 1.2). [But we'll call next 'C D E F G... ' in addition to ones(C+ D+ E+.....) for better arrangement. We'll talk about it later.] Note that C-D-E-F-G-A-B are called naturals. 
Figure : 1.0

The First Black key AFTER C is called C#(C Sharp), only same as C the principal dark key after D is called D#(D Sharp). It will be same for all keys. (see Figure 1.1) 
Figure: 1.1

The dark key BEFORE 'D' key is called Db(D level). Same goes for each key, Black key before 'E' key is called Eb. That implies C# and Db, D# and Eb, F# and Gb, G# and Ab, A# and Bb are similar keys. (see Figure 1.2) 
Figure: 1.2

In the event that you consider a piece of a console C D E F G A B then the following higher of its sort will be called 'C+ D+ E+ F+ G+ A+ B+' in notes for better arrangement. There will be numerous situations when we should play a wide scope of pitches, in that cases we will consider lowerpitch C and higher one C+.
Figure: 1.3


However, these are the basic things that you must know about the Piano.