a title printed at the top of a page or at the beginning of a section of a book, report, etc. （页面上端或书籍、文章、报告等开头的）标题
the subject of each section of a speech or piece of writing （讲话稿或文章每部分的）主题◆The company's aims can be grouped under three main headings. 公司的目标可以归纳为三个主题。