Officially introduce yourself to the community by sharing your goals, obstacles or accomplishments. Don't be shy.. we're all here for the same reason. The more support we share the easier it will be to reach our goals!
On the logs, you input weight lifted and reps performed. On exercises where you use no weight, just input reps performed. The weight section is there so that later on, as you build up to it, you can include the weight you use.