The specific charges in the New York indictment of Mr. Trump are shown in this analysis by the BBC. The first line of the Statement of Facts that accompanied the indictment spells out the prosecution case.
"The defendent Donald J. Trump repeatedly and fradulently falsified New York business records to conceal criminal conduct that hid damaging information from the voting public during the 2016 presidential election...The defendent orchestrated a scheme with others to influence the 2016 presidential election by identifying and purchasing negative information about him to suppress publication and benefit the defendent's electoral prospects."