Self-annotations in Songci poems can be classified in terms of modes into three types: interlinear notes, endnotes and caption, and in centent, fall into the three types of sentence annotations, title annotations and background annotations.

• 摘要宋词自注从方式看可分为夹注、尾注、题注三种，从内容看可分为注词句、注名目、注背景三类。