The document explains how to use 際際滷share, a website for sharing presentations. It outlines the steps to create an account, upload a presentation, add details about the presentation, and share or view the uploaded presentation. These steps include visiting the 際際滷share website, signing up using an email or social media account, browsing for and selecting a file to upload, filling in presentation details, and viewing the uploaded presentation using slide navigation arrows. The goal is to demonstrate the full process for sharing a presentation on 際際滷share.