The explainations：you konw,in fact the sentence is equal to the folowing ones:Mr.White didn't present at the meeting yesterday.orMr.White missed the meeting yesterday.all in all,the sentence means that Mr.White faied to attend the meeting.By the way,i wonder why you need us to explain it in English??
This sentence can be explained by the following words:Mr. White was missing or not present from the meeting the previous day. To sum up, Mr. White didn't attend the meeting
