What is litter?

According to the Texas DOT and the Texas Litter Abatement Act litter is::

• Decayable waste from a public or private establishment, residence, or restaurant, including animal and vegetable material.When it's in the can, it becomes garbage. Anywhere else, it's litter.
  
• Nondecayable solid waste, including: paper, rags, boxes, wood, furniture, rubber, plastics, yard trimmings and leaves, glass, pots, cans, and metal furniture, discarded or worn out appliances, vehicles, vehicle parts, and machinery.