For the Teriyaki Sauce:

1. Combine Ingredients (The Sauce Setup): Combine ¾ cup water, soy sauce, minced garlic, grated or minced fresh ginger, honey, and brown sugar in a small saucepan over medium heat. Stir to combine, ensuring all ingredients are well incorporated.
2. Bring to a Boil (The Boiling Point): Bring the mixture to a low boil, allowing the flavors to meld and intensify.
3. Prepare Cornstarch Slurry (The Slurry Solution): Whisk ¼ cup water and cornstarch together well until the cornstarch is completely dissolved, creating a smooth and lump-free slurry.
4. Thicken Sauce (The Thickening Technique): Slowly stir the cornstarch mixture (slurry) into the saucepan, ensuring a gradual and even thickening of the sauce.
5. Add Orange Zest (The Zest Zinger): Remove the saucepan from heat immediately and stir in the orange zest, adding a final touch of citrusy brightness. Set aside until ready to add to the stir-fry.

For the Stir Fry:

1. Heat Oil (The Oil Operation): Add the sesame oil to a wok or large skillet over medium-high heat, allowing it to heat until shimmering.
2. Sauté Onions (The Onion Sauté): Add the small diced onion to the skillet and sauté for several minutes to soften, allowing them to release their aromatic essence.
3. Cook Turkey (The Turkey Transformation): Add the ground turkey to the skillet and cook until fully cooked (165 degrees Fahrenheit internal temperature), about 7-10 minutes. Break up the turkey with a spatula as it cooks, ensuring even cooking.
4. Add Vegetables (The Vegetable Venture): Add the broccoli florets and shredded carrots to the skillet and cook until heated through and tender-crisp, maintaining their vibrant color and texture.
5. Add Teriyaki Sauce (The Sauce Symphony): Change the heat to low and stir in the prepared teriyaki sauce, ensuring all ingredients are evenly coated.
6. Simmer (The Simmering Stage): Simmer for several minutes until the sauce thickens and coats all the ingredients, creating a cohesive and flavorful dish.
7. Serve (The Serving Sensation): Serve immediately over rice, noodles, or as desired, ensuring a warm and satisfying meal.