So, I think the key words here are 'topic' and 'idea'. And what I mean by that is that we use the preposition 'about' with verbs that are usually used with topics, ideas or situations.

The Photo Library of the Information Services Department is one of the largest and most important photo archives in Hong Kong, containing a treasure trove of photos which show the many and varied ...

由马德里卡洛斯三世大学（UC3M）主导的一项研究得出结论，工作团队在危机和紧急情况下的有效适应，需要理解当前局势并灵活运用不同的协调流程。研究结果显示，矛盾的是，强制执行僵化的危机规程会限制这些理解和协调过程，从而降低这些团队的适应性反应。