如何从selenium中的网页访问对象

This is my first day using Selenium IDE and I have little web knowledge so please bear with me. My team is developing a website and I need to write tests for it. What the site is doing is it will show several charts of some data we've collected. I'm going to search for specific words in each chart to determine if the charts are showing correctly and alert to which ones aren't showing correctly.This is my first day using Selenium IDE and I h