Samir is really bad about naming his files in a meaningful way to reflect the content. As a result, he cannot easily find the last file he worked on and wastes time and energy recreating the document. How could you help him find the document he needs and eliminate all this extra work?

By looking at file properties

Explanation:

File properties are the attributes that determines computer files associated properties and behavior.Properties give information about file such as last modification date, file type,update date, size of file etc.These characteristics display information when the user worked on the file.

According to the question, instead of creating the file again with all the hardwork , it is better for Samir to look-up for file properties through which he can search for the file easily through date characteristic.

all cities have a governor

all cities are in states or provnies then country

all cities have people

difference

some are rich

some are poor

some are average