Your portfolio is the place where all your tokens, borrowed as well as owned, are shown.
Assets in your portfolio can be used for all your DeFi investing purposes. This means you are free to trade, stake, or make LP-tokens out of them as you like. DeltaPrime can safely lend out deposited assets, by integrating other protocols in the ecosystem. You as a user decide which combination of integrated protocols to invest in.
All assets in your portfolio also share the same margin: The minimum collateral percentage is calculated over the total value of your assets, independent of the type or place of the assets.