In the context of a 1000x1500 image, "1K" typically refers to the width being roughly 1,000 pixels. This provides a clear, sharp image for standard digital displays, though higher "4K" versions (approx. 4000 pixels wide) are used for professional printing.
High-resolution macro shots of citrus fruits like oranges and lemons, which are synonymous with Vitamin C. 4. Scientific & Health Context 27 Vitamin C 1000 My Images and Stock Photos 1000x1500 1K Vitamin C Picture">
Commercial shots of 1000mg or 1500mg Vitamin C tablets/effervescents. In the context of a 1000x1500 image, "1K"