How can I effectively maintain my lawn and ensure that I only target and eliminate the weeds without harming the grass?

To effectively maintain your lawn and target weeds without harming the grass, you can follow these steps:

1. Regularly mow your lawn at the correct height to promote healthy grass growth and discourage weed growth.
2. Use a targeted weed killer that is safe for your grass type and follow the instructions carefully.
3. Hand-pull weeds when they are small and before they spread.
4. Keep your lawn well-watered and properly fertilized to help the grass outcompete weeds.
5. Consider overseeding bare patches to fill in gaps and prevent weeds from taking over.