How do I communicate my value in the application process -- concretely and without sounding arrogant?

Value communication is the most important and most commonly botched skill in applications. The problem: Either too vague ('I bring a lot of experience') or too aggressive ('I am the best candidate'). The balance: Concrete evidence rather than claims. Format: Situation + Action + Measurable Result (STAR per OPM Q018). Examples: Instead of 'I am good at Excel' -> 'I developed a reporting dashboard in Excel that reduced monthly reporting time from 8 to 2 hours.' LinkedIn: Application profiles with quantified results receive 40% more recruiter interactions. Cultural adaptation for Germany: German cultural restraint is often misread by recruiters as a competency gap -- active communication is explicitly welcomed. Gallup and IAB: In structured interviews, candidates who cite concrete results are systematically rated higher than those who cite personal attributes.