The phrase "to take the jump" means to take a risk or make a big decision, often in the face of uncertainty or fear. It implies being brave and taking a leap into something unknown or challenging. Full definition
Come up to a body squat, floating your arms overhead into a star position and taking the jump out. (thebettyrocker.com)
And whenever you are going somewhere else and can't take the jumper with you, you are able to bring each toy with you for your baby to play with. (momwoot.com)
My book took a jump from roughly # 3000 to # 250. (russellblake.com)