A pleat is a type of fold made in fabric. A garment, usually a skirt or dress that is pleated tends to have many pleats of equal size. Pleats make a garment thicker, warmer and with more room to move.
Rainbow lorikeets are a type of parrot found in Australia, mainly on the east coast but also in parts of South Australia and Tasmania. Rainbow lorikeets eat fruit, pollen and nectar.
A seat is anything you can sit on, or a part of something you sit on, for example the seat of a chair.
If you want to invite someone to sit down, you might ask them to take a seat.
Sheets are large, thin pieces of fabric that you put on your bed. Usually there is one sheet covering the mattress and another over the top of that one. You sleep between the sheets.
A street, or road in a city or town is a place that people live on, or that has shops on. There are buildings on either side of the street and people walk or drive on the street.
A very narrow street like the one in the picture is sometimes called a lane.
Sweet is the taste associated with things containing sugars, such as fruit, honey and processed foods with sugar added. Artificial sweeteners don't contain sugars but still taste sweet.