How can a beginner improve flexibility?
Do each stretching exercise at least 4 times each session. Slowly stretch into the desired position, as far as possible without pain, and hold the stretch for 15–60 seconds. Relax, then repeat, trying to stretch a little farther. Always remember to breathe while stretching.
https://mahamuktiyoga.com/blog/fitness-tips-for-the-inexperienced-person/

Weight loss: Choosing a diet that's right for you Weight loss is your goal, but which diet will help you get there? ... that you'll lose all the weight you want for good, using diets that eliminate fat.
https://mahamuktiyoga.com/blog/get-down-to-your-ideal-weight-with-the-help-of-this-article/

What is health physical fitness?
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Physical fitness refers to the ability of your body systems to work together efficiently to allow you to be healthy and perform activities of daily living. Being efficient means doing daily activities with the least effort possible.
https://mahamuktiyoga.com/blog/fitness-is-within-your-reach-with-these-great-tips/