How can I get toned?

how can I get skinnier arms. and toned thighs. and a flat stomach. I want to loose weight. right now I weigh 110 and I'm 4'11. I don't look how I used too, I would like to look skinnier so how can I loose weight. maybe just 10-15 pounds at the most. in detail please if possible thanx!
How can I get toned?
Post Opinion