Big Question: How is a Dominant 7 Chord spelled, and and where ( parts of the I chord ) do it's components (Root, Third, Fifth, Seventh) most commonly resolve?
The following link provides and interactive guide to identifying and spelling of a Dominant 7th Chord at the most basic level.
http://www.musictheory.net/lessons/45
Note that the guide provides information about several types of seventh chords.
Today we are only looking at the Dominant Seventh Chord, all other materials are supplementary to this lesson, and may be covered in the future.
This PDF contains the spelling of and rules for the resolution of a Dominant 7th Chord.
Notes:
// means parallel, ex. // 8 means parallel octave
when In slide 5, "VOICE LEDING V7 - I" the numbers are in reference the degree of the chords listed in the slide title.
V7 - I
7 - 3
3 - I
Root - root