1. Extract (n)

    A decoction, solution, or infusion made by dissolving out from any substance that which gives it its essential and characteristic virtue; essence.

    1. ​​barnsworthburning.net​​
    2. ​​Fragments​​
    3. ​​Upstream Color​​

    I've been using the term extract for a while to describe the things collected on this site. Other good words I've considered are fragments, after a description of Smiljan Radić's writing style, or samples, after Shane Charruth's character The Sampler in Upstream Color.