"This term, which came originally from shipbuilding, now refers to the geometrical representation of all the vehicle's interior and exterior surfaces that are visible to the customer - taking all technical and formal aesthetic requirements into account. The 'Strake' therefore embodies the core competence for the finest surface finishes and the associated quality."
- from
Developing the Audi Q7
Maybe this is common knowledge, but I just came across this tip this week. You can get rid of those annoying dotted borders around links in Firefox…

… just by adding this rule to your stylesheet:
a:focus, a:active {
outline: none;
}