Whether wearing jeans or a tuxedo, men are able to take for granted such EDC-friendly features as pockets and a belt.
Women cannot. Dresses and women's suits typically have no pockets, no belt and nowhere to stash anything. Shirt pocket - ha - not in women's attire. The only shirts I have with useful pockets are designed for safaris - not wearing those to work.
Nice pants might have small or tiny pockets, not appropriate for cramming things in -- especially not in summer when wearing linens or light cotton. Our coats also tend to not have as many pockets as men's coats.
Women do have the advantage of purses. Whether one can have it with them every second in the workplace obviously depends on your job.
The original poster hasn't said what exactly his daughter does so that we'd have a clue as to her attire.
If this thread were about a son then we could assume that no matter the workplace dress code, he'd have pockets and option of a belt for carrying EDC items.
Bingo. The whole EDC thing is a lot easier if you actually have functional pockets, which a lot of our clothes don't, or at least a lot of the work appropriate or dressier ones (though a pair of jeans I recently bought has pockets that are a joke, and they're not skinnies either, so even casual clothes have this problem). As far as shirt pockets in women's attire, you did forget to mention one thing...even the shirts that do have pockets, often have them in a very inopportune spot (see this example: http://www.sierratradingpost.com/gramicci-wilderosa-shirt-long-sleeve-for-women~p~3929g/, and this one is from a company that is generally pretty good about making things that are functional but they still gave us these silly pockets that we can't really use without looking and feeling ridiculous!). Women's shirt pockets should be down near the hip area like they are on a lot of scrub tops...then we could actually use them. Purses are great for being able to carry quite a bit around town without looking out of place, but it's not possible or practical to keep them on our person at all times at work etc.