There is always a clamoring for what one can do for their exercise routines. Especially in todays hectic-paced world. What can one do, indeed? Although not a full-fledged workout there are options for getting the body into moving. Here are a few choice maneuvers:

Some basic modalities for strength training
Office Workout
Desk Squats
Desk Push-Ups
Hanging Stretch
Stair Climbing

Calisthenics
Push up
Pull up
Leaning supine row
Squat Variations

Weights
Bench Press variations
Arm Curl variations
Squat variations
Dead Lift variations
Programs
HIIT
Cross Fit
Gladiator Fitness
These are just basic ideas for movements. They address the whole body and are intended to hit the major muscle groups. Variations on these themes can be instituted by the individual. There is information available that can provide insight and guidance.
Time is usually the limiting factor with regard to exercising. One must plan their fitness sessions according to what is available timewise. Twenty to thirty minutes every other day can be adequate for most general fitness and wellness purposes.