Here are some ideas:
*white tank top: on it's own in the summer, under sweaters or long sleeve shirts in the winter.
*cardigan: perfect for throwing on when the office is cold.
*jeans: I work in a casual office and can wear jeans all week long. Why would I not?
*leggings: under a dress with boots for work, with a long t-shirt or sweater at home.
*sleeveless dresses: again, on their own in the summer, layered with long sleeve shirt, sweater, leggings/tights, boots and a scarf in the winter.
What are your basics?
*Scarves: I am a scarf fanatic. I have quite a few different scarves, although I tend to get stuck on one for awhile and wear it with everything. I am such a cold person, so these are practically essential in the winter, but I also like wearing a long, thin scarf with a tank top in the summer. Tied around your wrist, tied to your purse, worn with your jacket. Scarves are awesome.
*I wore a lot of earrings in college, but these days I pretty much wear one or two rings on my hands, and switch between two necklaces. I've been keeping it simple.
*I'm also not really a purse or a shoe person (I know that is rare!). I like to find the ones I like (black flats, flat brown boots, and plain brown leather satchels) and stick to those.
Extra, Fun Items
While you are at it, jot down any items that repeatedly show up on your inspiration board but aren't in your closet. If you cut out 10 pictures of floral skirts and realize you don't own a single one, that might be a good thing to go shopping for. Or if you love striped shirts or anything in blue and don't own either of those things, make a note of it.
Now you are ready to go shopping!