Meanings

unregistered

tree climbing

rising rapidly (e.g. prices, popularity)

appointment

taking the podium

taking the mound

climbing to the summit

climbing up

climbing a tower

attending a government office

running (an article)

to climb

debut

character (in a play, novel, film, etc.)

gateway to success

attendance at the House

climbing a slope (hill)

registered

cash register

certificate of alien registration