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.