The "regular chord tone" to which both suspension and retardation resolve is called the tone of resolution.
212. The anticipation is a chord-tone introduced just before the rest of the chord to which it belongs is sounded. See Fig. 78 (a).
213. A pedal point (or organ point) is a tone sustained through a succession of harmonic progressions, to the chords of some of which it usually belongs. The term pedal point originated in organ playing, (where the foot on a pedal can sustain a tone while the hands are playing a succession of harmonies), but as now used it may be applied to any kind of music. The dominant and tonic are the tones most often used in this way. See Fig. 79.
214. When the upper three voices of a four-voice composition are written close together (the soprano and tenor never appearing more than an octave apart), the term close position is applied. But when the upper voices are not written close together, the term open position is applied.