A(n) ________ shown as a full, solid arrowhead, is one where the caller has to wait for the receiving object to complete execution of the called operation before it itself can resume execution

For some years now, enterprising individuals have gotten their own ideas, forums, and entertainment programs out in front of the public with no help from big tech firms, media conglomerates, or ad agencies. They simply posted their creations on the Internet. It began with blogs, moved to podcasts, expanded to social networks, moved on to YouTube videos, and transferred to Twitter. And it just

keeps going. Audience members can download these technological tidbits—text, visual, and audio formats—to their laptops as well as to cell phones, Blackberries, iPods, iPads, and every other mobile gadget that hits the market. Eventually, public relations companies started getting into the act. An athletic supply manufacturer is about to launch a new sports sock made of an innovative fabric that cushions the foot, reduces impact, absorbs moisture, and supports high-intensity sports like no other. It creates short video spots and posts them on its home page, Facebook page, YouTube, and other sites for viewing and downloading. Since this tactic is generated by the company, intends to gain positive publicity, and hopes for free exposure of a new product, it works in much the same way that the more traditional ____ does. a. company newsletter b. sponsored event c. press release d. feature story

What is declarative knowledge?

What will be an ideal response?