sill - (geology) a flat (usually horizontal) mass of igneous rock between two layers of older sedimentary rock. geology - a science that deals with the history of the earth as recorded in rocks. rock, stone - a lump or mass of hard consolidated mineral matter; he threw a rock at me. Translations.
1 Select a tunic that is appropriate for you place of workâavoid low necklines and do not wear a tunic as a dress. 2  Pair your tunic with slim cropped pants, skinny trousers, or a knee-length pencil skirt. 3  Dress up your tunic with a pair of heels.  Add a chunky necklace or scarf, a blazer or sweater, and tote bag.
Blazers, elegant yet casual vests, tailored pants, etc., are all pieces that fall in this category. When it comes to shirt and pants outfits, you need to follow this rule as well. Donât wear a pair of dress pants with a casual shirt. One good indicator of whether a shirt is casual or more on the formal side is whether it has pockets or not.