Fixed capitals refer to the assets a company invests in that are expected to generate income over a long period. These assets are expected to maintain their value over time and provide stability to the company's balance sheet. Some synonyms for fixed capitals include fixed assets, long-term investments, capital expenditures, and non-current assets. Fixed assets are typically physical assets such as property, plant, and equipment. Long-term investments refer to holdings in other businesses, while capital expenditures include investments in improving or expanding the company's fixed assets. Non-current assets are assets that won't be converted to cash within a year. These terms can be used interchangeably to describe a company's stable, long-term investments.