I disagree. Regular users know tools, they don't usually know or care about "solutions" or "services".
 
Kevin, app can imply open inside Teams, if that menu is shown in Teams..
 
How about instead playing PR semantics MS would add real value to "online" versions. I get constant notifications from a few voice ideas with annoyed users comments about a seemingly easy option. Colors. If you say Office is a solution, how come its "not Online" version is so limited?
https://excel.uservoice.com/forums/274580-excel-for-the-web/suggestions/34086466-excel-online-more-colors
https://excel.uservoice.com/forums/274580-excel-for-the-web/suggestions/19114552-multiple-font-colors-in-a-single-cell?tracking_code=2aa0daeece11a0fc8689423be502e755