There are different annotations on the word □ in the inscriptions on the oracle bones and tortoise shells, such as 求, 袚, and 禱. As a common sacrificial verb, scholars have always considered that it has the meaning of prayer. From the perspective of grouping and classification, this article comprehensively sorts out the font, changing process, and usage of this certain character, illuminates the similarities and differences between the shapes and usages in the various groups of □, in order to get a deeper understanding of this character. Besides, this article compares the word □ with the related sentence examples of the word □ (commonly annotated as 求), lists some similarities and differences in their respective usages, gives some examples of possible confusion and some supplementary explanations for the difference between the two characters.